Internet World Congress '98 Invited Symposium

	Photodynamic Therapy Chair: Andrew Rainbow (McMaster University, Canada) Co-Chair: Gurmit Singh (McMaster University, Canada)

0757 PDT-Induced Apoptosis in the Brain: A Comparative Study of Five Photosensitizers in vivo L Lilge (Photonics Research Ontario and Department of Medical Biophysics, University of Toronto, Canada) M Portnoy (Photonics Research Ontario and Department of Medical Biophysics, University of Toronto, Canada) BC Wilson (Photonics Research Ontario and Department of Medical Biophysics, University of Toronto, Canada)

0761 in Vitro Induction of Resistance in Human Tumour Cells to PDT by Various Photosensitizers G Singh (Hamilton Regional Cancer Centre and Dept. Pathology, McMaster University, Canada) M Espiritu (Department of Pathology, McMaster University, Canada) A Rainbow (Department of Biology, McMaster University, Canada)

0765 Photobleaching as a Potential Monitor of Photodynamic Therapy Michael Patterson (Dept. Medical Physics, Hamilton Regional Cancer Centre and McMaster University, Canada) Thomas J. Farrell (Dept. Medical Physics, Hamilton Regional Cancer Centre and McMaster University, Canada)

0767 Effects of Fluence Rate on Tumor Oxygenation and Vascular Responses to Photodynamic Therapy (PDT). Barbara Henderson (PDT Center, Roswell Park Cancer Institute, Buffalo, USA) T Busch (PDT Center, Roswell Park Cancer Institute, Buffalo, USA) AR Oseroff (Department of Dermatology, Roswell Park Cancer Institute, Buffalo, USA)

0820 Photodynamic Therapy (PDT) with Simultaneous Hyper-oxygenation Q Chen (Health One, Colorado, USA) FW Hetzel (Health One, Colorado, USA)